RFR: 8359127: Amend java/nio/channels/DatagramChannel/PromiscuousIPv6.java to use @requires for OS platform selection

[Mahendra Chhipa]

On Thu, 12 Jun 2025 11:55:35 GMT, Dermot Boyle <duke at openjdk.org> wrote:

> Replaced programmatic check for the OS platform (which threw a Skipped exception) with JTreg @requires.

test/jdk/java/nio/channels/DatagramChannel/PromiscuousIPv6.java line 215:

> 213:         boolean hasIPV6MulticastAll;
> 214: 
> 215:         if (!supportedByPlatform()) {

supportedByPlatform() method definition can be deleted from line number 207, as not it is not being called anywhere.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25781#discussion_r2145024909